Income tax Dates
MAR 31Final date for ratio option provisional tax applications.
APR 7End-of-year income tax and Working for Families bills are due if you have an extension of time to file your income tax return.
MAY 8Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
Before you start using AIM for provisional tax, you’ll need to find a provider of AIM-capable accounting software.
You can get AIM-capable accounting software from these providers:
To choose AIM, complete the set up in your software. The set up will include a step where we'll help you confirm if you're eligible to use AIM. You should not need to contact us.
Last updated: 28 Apr 2021